./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:20:35,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:20:35,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:20:35,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:20:35,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:20:35,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:20:35,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:20:35,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:20:35,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:20:35,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:20:35,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:20:35,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:20:35,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:20:35,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:20:35,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:20:35,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:20:35,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:20:35,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:20:35,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:20:35,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:20:35,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:20:35,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:20:35,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:20:35,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:20:35,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:20:35,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:20:35,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:20:35,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:20:35,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:20:35,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:20:35,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:20:35,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:20:35,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:20:35,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:20:35,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:20:35,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:20:35,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:20:35,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:20:35,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:20:35,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:20:35,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:20:35,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:20:35,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:20:35,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:20:35,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:20:35,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:20:35,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:20:35,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:20:35,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:20:35,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:20:35,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:20:35,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:20:35,636 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:20:35,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:20:35,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:20:35,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:35,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:20:35,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:20:35,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:20:35,636 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:20:35,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:20:35,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:20:35,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c [2022-12-14 23:20:35,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:20:35,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:20:35,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:20:35,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:20:35,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:20:35,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2022-12-14 23:20:38,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:20:38,657 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:20:38,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2022-12-14 23:20:38,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/data/bddb63bb6/0234010ec81d4e32a1f05cc3a6b7036b/FLAGe8bba0e44 [2022-12-14 23:20:38,674 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/data/bddb63bb6/0234010ec81d4e32a1f05cc3a6b7036b [2022-12-14 23:20:38,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:20:38,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:20:38,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:38,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:20:38,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:20:38,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541f821e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38, skipping insertion in model container [2022-12-14 23:20:38,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:20:38,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:20:38,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2022-12-14 23:20:38,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:38,879 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:20:38,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2022-12-14 23:20:38,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:38,928 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:20:38,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38 WrapperNode [2022-12-14 23:20:38,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:38,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:38,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:20:38,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:20:38,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,964 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 419 [2022-12-14 23:20:38,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:38,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:20:38,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:20:38,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:20:38,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:20:38,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:20:38,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:20:38,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:20:38,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:38" (1/1) ... [2022-12-14 23:20:38,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:39,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:20:39,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:20:39,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1dee75-279d-40e1-a385-82daf8dc52e9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:20:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:20:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:20:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:20:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:20:39,121 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:20:39,123 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:20:39,534 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:20:39,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:20:39,923 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:20:39,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:20:39 BoogieIcfgContainer [2022-12-14 23:20:39,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:20:39,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:20:39,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:20:39,932 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:20:39,932 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:20:39" (1/1) ... [2022-12-14 23:20:39,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:20:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-12-14 23:20:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-12-14 23:20:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:20:39,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-12-14 23:20:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-12-14 23:20:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:20:41,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-12-14 23:20:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-12-14 23:20:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:20:42,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:42,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-12-14 23:20:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-12-14 23:20:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:20:43,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2022-12-14 23:20:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2022-12-14 23:20:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:20:44,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:44,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-12-14 23:20:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-12-14 23:20:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:20:45,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:45,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2022-12-14 23:20:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-14 23:20:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:20:46,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:46,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2022-12-14 23:20:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2022-12-14 23:20:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:20:47,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:47,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2022-12-14 23:20:47,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2022-12-14 23:20:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:20:47,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2022-12-14 23:20:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2022-12-14 23:20:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:20:49,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2022-12-14 23:20:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2022-12-14 23:20:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:20:49,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:49,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 130 transitions. [2022-12-14 23:20:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2022-12-14 23:20:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:20:54,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 150 transitions. [2022-12-14 23:20:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2022-12-14 23:20:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:20:57,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:57,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 181 transitions. [2022-12-14 23:21:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2022-12-14 23:21:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:21:02,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 122 states and 202 transitions. [2022-12-14 23:21:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2022-12-14 23:21:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:21:07,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 216 transitions. [2022-12-14 23:21:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2022-12-14 23:21:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:21:13,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2022-12-14 23:21:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2022-12-14 23:21:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:21:17,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 246 transitions. [2022-12-14 23:21:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2022-12-14 23:21:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:21:21,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 159 states and 275 transitions. [2022-12-14 23:21:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2022-12-14 23:21:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 23:21:27,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 171 states and 296 transitions. [2022-12-14 23:21:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 296 transitions. [2022-12-14 23:21:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 23:21:33,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 182 states and 317 transitions. [2022-12-14 23:21:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 317 transitions. [2022-12-14 23:21:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 23:21:40,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:40,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 323 transitions. [2022-12-14 23:21:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2022-12-14 23:21:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:21:43,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 194 states and 339 transitions. [2022-12-14 23:21:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 339 transitions. [2022-12-14 23:21:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:21:49,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 198 states and 349 transitions. [2022-12-14 23:21:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 349 transitions. [2022-12-14 23:21:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:21:51,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:21:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 201 states and 357 transitions. [2022-12-14 23:21:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 357 transitions. [2022-12-14 23:21:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:21:54,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 209 states and 376 transitions. [2022-12-14 23:22:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 376 transitions. [2022-12-14 23:22:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:22:00,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 212 states and 387 transitions. [2022-12-14 23:22:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 387 transitions. [2022-12-14 23:22:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:22:05,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 214 states and 390 transitions. [2022-12-14 23:22:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 390 transitions. [2022-12-14 23:22:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:22:07,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:07,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 215 states and 391 transitions. [2022-12-14 23:22:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 391 transitions. [2022-12-14 23:22:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:22:09,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:09,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 218 states and 399 transitions. [2022-12-14 23:22:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 399 transitions. [2022-12-14 23:22:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:15,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:15,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 224 states and 415 transitions. [2022-12-14 23:22:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 415 transitions. [2022-12-14 23:22:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:19,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:19,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 225 states and 418 transitions. [2022-12-14 23:22:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 418 transitions. [2022-12-14 23:22:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:21,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:21,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 227 states and 421 transitions. [2022-12-14 23:22:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 421 transitions. [2022-12-14 23:22:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:23,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 228 states and 422 transitions. [2022-12-14 23:22:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 422 transitions. [2022-12-14 23:22:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:25,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 242 states and 455 transitions. [2022-12-14 23:22:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 455 transitions. [2022-12-14 23:22:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:22:35,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 464 transitions. [2022-12-14 23:22:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2022-12-14 23:22:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:22:38,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:38,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 260 states and 496 transitions. [2022-12-14 23:22:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 496 transitions. [2022-12-14 23:22:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:22:49,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:49,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 261 states and 498 transitions. [2022-12-14 23:22:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 498 transitions. [2022-12-14 23:22:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:22:52,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 264 states and 508 transitions. [2022-12-14 23:22:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 508 transitions. [2022-12-14 23:22:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:22:55,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 265 states and 509 transitions. [2022-12-14 23:22:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 509 transitions. [2022-12-14 23:22:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:22:57,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:57,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:23:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:23:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:23:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 266 states and 511 transitions. [2022-12-14 23:23:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 511 transitions. [2022-12-14 23:23:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:23:02,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:23:02,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:23:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:23:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:23:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:23:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 269 states and 519 transitions. [2022-12-14 23:23:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 519 transitions. [2022-12-14 23:23:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 23:23:05,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:23:05,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:23:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:34:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.